Comparison

TWA Dictionary vs Modal Math

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TWA Dictionary

Master American Sign Language with a comprehensive dictionary featuring over 25,000 signs, variations, and cultural insights. Created by a Deaf team, it offers thematic organization, user-driven content requests, and regular updates for an enhanced learning experience.

Highlights
  • Over 25,000 ASL signs
  • Sign variations and cultural insights
  • Thematic organization
  • User-requested content
  • Continuous updates
  • Educational blog on Deaf Culture
Features
Read full description

Looking for a great ASL resource? Our ASL Dictionary, created by a 100% Deaf team, includes over 25,000 signs along with sign variations, Deaf signers from diverse backgrounds, and an array of features to enhance your learning experience! What’s the Sign? ASL Dictionary is your ultimate resource for mastering American Sign Language, designed and brought to you by the Deaf community. Key Features: Extensive Library: Access a comprehensive collection of over 25,000 signs, including regional variations and cultural insights. Thematic Organization: Easily navigate through themed categories tailored to your interests. Tagged for Every Occasion: Quickly find the signs you need, whether for a job interview or a specific topic. Continuous Updates: Regular updates ensure fresh and relevant content. Educational Blog: Explore Deaf Culture with insightful posts on community topics. User-Driven Content: Can’t find a sign? Request new signs or sentence examples, and help expand the dictionary. Easy Navigation: An intuitive interface makes your learning journey smooth and enjoyable. Subscription Details: What’s the Sign? ASL Dictionary offers flexible subscription plans, including monthly and annual options. Start your learning journey with a three-day free trial. Subscriptions automatically renew unless canceled, and you can manage them through your account settings. Discover the richness of American Sign Language with What’s the Sign? ASL Dictionary – where learning becomes a personalized, ongoing experience. Privacy Policy: https://twadictionary.com/privacy/ Terms of Use: https://twadictionary.com/terms/ Also available in the app.

About

Modal Math

This app provides accessible math practice designed by teachers for students with special language needs. It focuses on fostering conceptual understanding and reinforcing mathematical language for diverse learners.

Highlights
  • Designed by teachers
  • Accessible for special language needs
  • Fosters conceptual understanding
  • Reinforces mathematical language
  • Supports diverse learning needs
Features
Read full description

Learn from anywhere in the Modal Math app! Created by real teachers for real students. At Modal Math, we believe that math learning should to be accessible for learners with special language needs. We aim to create a tool that is makes math learning accessible and meaningful to all. The goal is to foster conceptual understanding of mathematics while establishing and reinforcing language for students with diverse learning needs and ability levels. Our dream is to provide access to learning forstudents in accordance with their needs. Until we do this, we can never know what a student is capable of. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TWA Dictionary4 screens
Modal Math4 screens

Verdict

The call

The clearest difference is rating: Modal Math at 5.0 against TWA Dictionary's 4.3. TWA Dictionary's advantage is ratings volume (33 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TWA Dictionary sells 5 in-app purchases, starting at $4.99 per month and Modal Math sells 2 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Modal Math holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: TWA Dictionary has 33 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

TWA Dictionary ships an update every 3 weeks, Modal Math every 5 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
TWA Dictionary versus Modal Math: the parameters behind the verdict, then further details
ParameterTWA DictionaryModal Math
PriceFreeFree
Rating4.3 (33 ratings)5.0 (2 ratings) — better
Positive reviews76.9% of reviews—
Number of ratings33 — better2
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size41 MB75 MB
Age rating12+4+
DeveloperTWA Innovations LLCAsledu LLC

Customer experience

TWA Dictionary

All ratings33 ratings
Positive78.8%
Neutral6.1%
Negative15.2%
Written reviews13 reviews
Positive76.9%
Neutral0.0%
Negative23.1%

Modal Math

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

TWA Dictionary

Subscriptions2
  • Pro Monthly3 Days trial$4.991 Month
  • Pro Yearly3 Days trial$49.991 Year
One-time3
  • Gift Code Month$4.99
  • Gift Code 6 Months$29.99
  • Gift Code 1 Year$49.99
2 purchases

Modal Math

Subscriptions1
  • Classroom Membership$24.991 Month
One-time1
  • DHH Teacher Resources$6.99

Questions

Is TWA Dictionary free?
TWA Dictionary is free to download, with in-app purchases available.
Is Modal Math free?
Modal Math is free to download, with in-app purchases available.
Which has better reviews, TWA Dictionary or Modal Math?
Modal Math is rated higher. TWA Dictionary averages 4.3 out of 5 from 33 ratings, while Modal Math averages 5.0 from 2 ratings.
Do TWA Dictionary or Modal Math have ads?
Neither TWA Dictionary nor Modal Math shows ads.
Which is updated more often, TWA Dictionary or Modal Math?
TWA Dictionary ships an update every 3 weeks, and Modal Math every 5 weeks. Most recently, TWA Dictionary was updated on October 7, 2026 and Modal Math on October 8, 2026.

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